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Exam AWS Certified SAP on AWS - Specialty PAS-C01 All Questions

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Exam AWS Certified SAP on AWS - Specialty PAS-C01 topic 1 question 83 discussion

Exam question from Amazon's AWS Certified SAP on AWS - Specialty PAS-C01
Question #: 83
Topic #: 1
[All AWS Certified SAP on AWS - Specialty PAS-C01 Questions]

A company's SAP solutions architect needs to design an architecture to deploy a highly available SAP S/4HANA application on AWS. The company requires the SAP NetWeaver ASAP ASCS components and the SAP HANA database components or the application to be highly available. The company will operate the SAP NetWeaver ASCS, SAP NetWeaver PAS, and SAP HANA database components on separate Amazon EC2 instances. Each EC2 instance will run the Red Hat Enterprise Linux operating system.

The company's AWS account has a VPC with a CIDR block that uses the 10.0.0.0/24 address block. The VPC contains two subnets. Each subnet is assigned to a different Availability Zone. The company has no other VPCs in this account, and the company has no other AWS accounts.

Which set of overlay IP addresses can the SAP solutions architect use to provide the required highly available architecture?

  • A. Two overlay IP addresses: 10.0.0.50 for SAP ASCS and 10.0.0.54 for SAP HANA
  • B. Two overlay IP addresses: 192.168.0.50 for SAP ASCS and 192.168.0.54 for SAP HANA
  • C. Three overlay IP addresses: 10.0.0.50 for SAP ASCS, 10.0.0.52 for SAP ERS, and 10.0.0.54 for SAP HANA
  • D. Three overlay IP addresses: 192.168.0.50 for SAP ASCS, 192.168.0.52 for SAP ERS, and 192.168.0.54 for SAP HANA
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Suggested Answer: D 🗳️
by tonatiuhop at July 27, 2023, 11:58 p.m.
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ArtanisAM91
Highly Voted 1 year, 8 months ago
Selected Answer: D
D.. Overlay IP address should remain outside VPC CIDR block.. https://docs.aws.amazon.com/sap/latest/sap-hana/sap-oip-sap-on-aws-high-availability-setup.html
upvoted 9 times
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LocalHero
Most Recent 1 year, 3 months ago
Every ChatGPT is wrong. C is wrong.
upvoted 1 times
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acethetest1000
1 year, 3 months ago
Selected Answer: D
https://access.redhat.com/articles/4175371#create-overlayip-addresses
upvoted 1 times
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thuyeinaung
1 year, 4 months ago
Selected Answer: C
add for C
upvoted 1 times
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hapvlz
1 year, 5 months ago
https://documentation.suse.com/sbp/all/html/SLES4SAP-hana-sr-guide-perfopt-15-aws/index.html "The Overlay IP address must be an IP outside the Virtual Private Cloud (VPC) CIDR." It already cannot be an answer A and C because their IP's for Overlay are within the VPC CIDR. About B and D, I'm not fully confident. As per my understanding only the ASCS should have an overlay IP because it's the one that actually is being high-available.
upvoted 2 times
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[Removed]
1 year, 5 months ago
D is definitely more right than C, but does anyone know why ERS is included as a third overlay IP when it isn't mentioned in the question?
upvoted 1 times
odre90
1 year, 4 months ago
When setting HA setup for ASCS, you have to make sure that the ERS (as the name suggests it replicates enqueue server) has its own installation.
upvoted 2 times
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zzw890827
1 year, 8 months ago
Selected Answer: C
Regarding the IP address ranges, the overlay IPs should fall within the VPC's CIDR range. The given VPC CIDR block is 10.0.0.0/24, which means any IP within the 10.0.0.1 to 10.0.0.254 range can be used (excluding the network and broadcast addresses). C is correct.
upvoted 4 times
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tonatiuhop
1 year, 9 months ago
Agree with C
upvoted 3 times
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